Finding the Fourth Proportional to 943,862.80, 1,415,794.20 and 880,877.20
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Solution
The fourth proportional to 943,862.80, 1,415,794.20 and 880,877.20 is: 1,321,315.80
Step by Step Solution
- Step 1: Write the proportion equation
943,862.80 : 1,415,794.20 = 880,877.20 : x - Step 2: Convert to fraction form
943,862.80/1,415,794.20 = 880,877.20/x - Step 3: Cross multiply
943,862.80x = 1,415,794.20 × 880,877.20 - Step 4: Simplify right side
943,862.80x = 1,247,140,830,672.24 - Step 5: Solve for x
x = 1,247,140,830,672.24/943,862.80 - Step 6: Final answer
x = 1,321,315.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.